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CRIntPhySciChemRxnVo
CRIntegratedPhysicalScienceChemicalReactionsVocabulary
| Question | Answer |
|---|---|
| preventing loss | conservation |
| change of a substance in which its identity does not change, but its appearance may | physical change |
| change in which one or more substances are changed into one or more new and different substances | chemical change |
| another name for a chemical change | chemical reaction |
| heat taken in to make a change happen | endothermic |
| heat released when a change happens | exothermic |
| matter cannot be created or destroyed during ordinary physical or chemical changes | Law of Conservation of Mass |
| substances that undergo the chemical change | reactants |
| substances produced by the chemical change | products |
| uses formulas for compounds and numbers to represent a chemical reaction | chemical equation |
| big numbers in front of the chemical formula in a chemical equation; these numbers are multiplied by each atom in the formula and are used to balance the equation | coefficients |